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How would you prove to them that earth orbits the sun? It's consensus that the very similar apparent sizes of the moon and the sun as seen from earth is a coincidence (as already answered in this site). The earth takes 24 hours to spin around its own axis and 365 days to spin around the sun.
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Those are completely different things. How long until the sun gets burned down to the point where it cannot sustain life on earth anymore? Assume you're talking to someone ignorant of the basic facts of astronomy.
The quora question has two.
This question is inspired by a similar one asked on quora. Let's assume that planet orbits sun with a perfect circular orbit. Similarly, how would you prove to them that the moon. So in approximately half a year the earth will have spun around its axis 182.5 times.
There are many images and. As i asked before, separate threads, please. If force by which sun pulls planet is gm1m2 r2 g m 1 m 2 r 2, and f = ma f = m a than a = gm1 r2 a = g m 1 r 2. My understanding is that the sun is basically a sphere of hydrogen with a helium core, and that the hydrogen is undergoing nuclear fusion to produce helium.
Everytime i see the pics of suset on beaches the sun appear to go all the way down to the surface of the sea (as shown in the picture) but when i see sunset in my region , the sun.
Let's say a wizard magicked jupiter into the sun, with or without high velocity. The sun will last, at its current brightness for 9 billion more years. This provides us with almost exact total solar
